Dec 15 09:04:23.278 INFO testing hbs-pow-0.2.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 09:04:23.278 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 15 09:04:23.778 INFO [stdout] 367271a8ea1724ddcfa99d5b695bfef6ab584febc072c163952fbe21c7b5f039
Dec 15 09:04:23.781 INFO running `"docker" "start" "-a" "367271a8ea1724ddcfa99d5b695bfef6ab584febc072c163952fbe21c7b5f039"`
Dec 15 09:04:24.684 INFO [stderr] usermod: no changes
Dec 15 09:04:24.755 INFO [stderr]    Compiling hbs-pow-sys v0.2.1
Dec 15 09:04:31.612 INFO [stderr]    Compiling hbs-pow v0.2.0 (/source)
Dec 15 09:04:32.599 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.89s
Dec 15 09:04:32.612 INFO [stderr] su: No module specific data is present
Dec 15 09:04:33.258 INFO running `"docker" "inspect" "367271a8ea1724ddcfa99d5b695bfef6ab584febc072c163952fbe21c7b5f039"`
Dec 15 09:04:33.429 INFO running `"docker" "rm" "-f" "367271a8ea1724ddcfa99d5b695bfef6ab584febc072c163952fbe21c7b5f039"`
Dec 15 09:04:33.762 INFO [stdout] 367271a8ea1724ddcfa99d5b695bfef6ab584febc072c163952fbe21c7b5f039
Dec 15 09:04:33.764 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 15 09:04:34.108 INFO [stdout] dc9961abaa9e67a06c44037c3735c1011bf06e740c0dc8b38d0f0ddfa3841300
Dec 15 09:04:34.127 INFO running `"docker" "start" "-a" "dc9961abaa9e67a06c44037c3735c1011bf06e740c0dc8b38d0f0ddfa3841300"`
Dec 15 09:04:34.875 INFO [stderr] usermod: no changes
Dec 15 09:04:34.942 INFO [stderr]    Compiling hbs-pow v0.2.0 (/source)
Dec 15 09:04:35.743 INFO [stderr] warning: static variable `received_cb` should have an upper case name such as `RECEIVED_CB`
Dec 15 09:04:35.743 INFO [stderr]    --> lib.rs:212:9
Dec 15 09:04:35.743 INFO [stderr]     |
Dec 15 09:04:35.743 INFO [stderr] 212 |         static mut received_cb: bool = false;
Dec 15 09:04:35.743 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 09:04:35.743 INFO [stderr] 
Dec 15 09:04:36.243 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
Dec 15 09:04:36.243 INFO [stderr] su: No module specific data is present
Dec 15 09:04:36.820 INFO running `"docker" "inspect" "dc9961abaa9e67a06c44037c3735c1011bf06e740c0dc8b38d0f0ddfa3841300"`
Dec 15 09:04:36.976 INFO running `"docker" "rm" "-f" "dc9961abaa9e67a06c44037c3735c1011bf06e740c0dc8b38d0f0ddfa3841300"`
Dec 15 09:04:37.103 INFO [stdout] dc9961abaa9e67a06c44037c3735c1011bf06e740c0dc8b38d0f0ddfa3841300